Update exec

Author: satackey

src/ImageDetector.ts

@@ -5,7 +5,7 @@ export class ImageDetector {
   async getExistingImages(): Promise<string[]> {
     const existingSet = new Set<string>([])
     const ids = (await exec.exec(`docker image ls -q`, [], { silent: true })).stdoutStr.split(`\n`).filter(id => id !== ``)
-    const repotags = (await exec.exec(`sh -c "docker image ls --format '{{ .Repository }}:{{ .Tag }}' --filter 'dangling=false'"`, [], { silent: true })).stdoutStr.split(`\n`).filter(id => id !== ``);
+    const repotags = (await exec.exec(`docker`, `image ls --format {{.Repository}}:{{.Tag}} --filter dangling=false`.split(' '), { silent: true })).stdoutStr.split(`\n`).filter(id => id !== ``);
     core.debug(JSON.stringify({ log: "getExistingImages", ids, repotags }));
     ([...ids, ...repotags]).forEach(image => existingSet.add(image))
     core.debug(JSON.stringify({ existingSet }))

src/LayerCache.ts

@@ -49,8 +49,8 @@ class LayerCache {
   }
 
   private async saveImageAsUnpacked() {
-    await this.exec('mkdir -p', [this.getSavedImageTarDir()], { silent: true })
-    await this.exec(`sh -c`, [`docker save '${(await this.makeRepotagsDockerSaveArgReady(this.ids)).join(`' '`)}' | tar xf - -C ${this.getSavedImageTarDir()}`])
+    await fs.mkdir(this.getSavedImageTarDir(), { recursive: true })
+    await this.exec(`sh -c`, [`docker save '${(await this.makeRepotagsDockerSaveArgReady(this.ids)).join(`' '`)}' | tar xf - -C .`], { cwd: this.getSavedImageTarDir() })
   }
 
   private async makeRepotagsDockerSaveArgReady(repotags: string[]): Promise<string[]> {